{"id":921,"date":"2025-01-28T07:07:11","date_gmt":"2025-01-28T07:07:11","guid":{"rendered":"https:\/\/playgama.com\/blog\/uncategorized\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/"},"modified":"2025-01-28T07:07:11","modified_gmt":"2025-01-28T07:07:11","slug":"how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c","status":"publish","type":"post","link":"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/","title":{"rendered":"How do I decide whether to use a struct or a class for my game\u2019s data model in C++?"},"content":{"rendered":"<h2>Struct vs Class: Choosing the Right Data Model in C++<\/h2>\n<h3>Fundamentals of Structs and Classes<\/h3>\n<p>In C++, both <code>struct<\/code> and <code>class<\/code> can have public, protected, and private members, can utilize inheritance, and can contain member functions. However, they serve different purposes in practice.<\/p>\n<h3>When to Use Structs<\/h3>\n<ul>\n<li><strong>Plain Old Data (POD):<\/strong> Use structs when you need simple data structures that do not require complex behaviors or functions. They are ideal for storing related data without any additional functionality.<\/li>\n<li><strong>Memory Layout:<\/strong> Since structs are often used for POD, their memory layout is more predictable, making them suitable for game development scenarios where memory alignment and performance are crucial.<\/li>\n<li><strong>No Memory Management:<\/strong> Generally, avoid using pointers with structs. They should be self-contained without dynamic memory management to ensure simplicity and efficiency.<\/li>\n<\/ul>\n<h3>When to Use Classes<\/h3>\n<ul>\n<li><strong>Encapsulation and Abstraction:<\/strong> Classes are preferred when you need to encapsulate data with behavior. They allow you to hide internal states and provide public interfaces for manipulation.<\/li>\n<li><strong>Inheritance:<\/strong> Use classes if you require inheritance, polymorphism, or virtual functions. This facilitates code reuse and the design of complex object behaviors.<\/li>\n<li><strong>Data with Behavior:<\/strong> Classes are suitable for objects that operate on their data, such as game entities or complex game logic components.<\/li>\n<\/ul>\n<h3>Considerations for Game Data Models<\/h3>\n<p>In game development, especially with C++, the choice between structs and classes can significantly impact performance:<\/p><div style=\"clear: both; margin: 20px 0;\"><h4 style=\"color: #4D54FBCE; margin-bottom: 10px;\">Play free games on Playgama.com<\/h4><div id=\"widget-playgama\" style=\"height: 237px;\"><\/div><\/div>\n<ul>\n<li><strong>Performance:<\/strong> Structs, due to their simplicity and straightforward memory layout, might be more performant in tight loops and frequently updated structures, such as physics calculations<\/li>\n<li><strong>Maintaining Code:<\/strong> While classes provide more features like constructors and destructors, they require careful management. Use classes for entities where encapsulation is beneficial, such as player characters or AI systems.<\/li>\n<\/ul>\n<div class=\"table-scroll-wrapper\"><table>\n<thead>\n<tr>\n<th>Aspect<\/th>\n<th>Struct<\/th>\n<th>Class<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Data Complexity<\/td>\n<td>Simple, related data<\/td>\n<td>Complex data with behavior<\/td>\n<\/tr>\n<tr>\n<td>Memory Management<\/td>\n<td>No dynamic memory<\/td>\n<td>Support dynamic memory<\/td>\n<\/tr>\n<tr>\n<td>Inheritance<\/td>\n<td>Limited<\/td>\n<td>Full support<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Struct vs Class: Choosing the Right Data Model in C++ Fundamentals of Structs and Classes In C++, both struct and class can have public, protected, and private members, can utilize inheritance, and can contain member functions. However, they serve different purposes in practice. When to Use Structs Plain Old Data [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","om_disable_all_campaigns":false,"footnotes":""},"categories":[4],"tags":[637],"class_list":["post-921","post","type-post","status-publish","format-standard","hentry","category-general","tag-data-model-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How do I decide whether to use a struct or a class for my game\u2019s data model in C++? - Playgama Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How do I decide whether to use a struct or a class for my game\u2019s data model in C++? - Playgama Blog\" \/>\n<meta property=\"og:description\" content=\"Struct vs Class: Choosing the Right Data Model in C++ Fundamentals of Structs and Classes In C++, both struct and class can have public, protected, and private members, can utilize inheritance, and can contain member functions. However, they serve different purposes in practice. When to Use Structs Plain Old Data [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/\" \/>\n<meta property=\"og:site_name\" content=\"Playgama Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-28T07:07:11+00:00\" \/>\n<meta name=\"author\" content=\"Joyst1ck\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Joyst1ck\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/\",\"url\":\"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/\",\"name\":\"How do I decide whether to use a struct or a class for my game\u2019s data model in C++? - Playgama Blog\",\"isPartOf\":{\"@id\":\"https:\/\/playgama.com\/blog\/#website\"},\"datePublished\":\"2025-01-28T07:07:11+00:00\",\"dateModified\":\"2025-01-28T07:07:11+00:00\",\"author\":{\"@id\":\"https:\/\/playgama.com\/blog\/#\/schema\/person\/6b64e28292b443ca9325ab8fbff293b2\"},\"breadcrumb\":{\"@id\":\"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/playgama.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How do I decide whether to use a struct or a class for my game\u2019s data model in C++?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/playgama.com\/blog\/#website\",\"url\":\"https:\/\/playgama.com\/blog\/\",\"name\":\"Playgama Blog: \ud83c\udfae Insights, Tutorials, and Creative Inspiration for Game Development \ud83d\ude80\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/playgama.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/playgama.com\/blog\/#\/schema\/person\/6b64e28292b443ca9325ab8fbff293b2\",\"name\":\"Joyst1ck\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/playgama.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c6aab82e8ae992522b6f4923a83a792ca9e8e33ecaaff6f701d177f1b0c68b2d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c6aab82e8ae992522b6f4923a83a792ca9e8e33ecaaff6f701d177f1b0c68b2d?s=96&d=mm&r=g\",\"caption\":\"Joyst1ck\"},\"url\":\"https:\/\/playgama.com\/blog\/author\/volzhin-ivan\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How do I decide whether to use a struct or a class for my game\u2019s data model in C++? - Playgama Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/","og_locale":"en_US","og_type":"article","og_title":"How do I decide whether to use a struct or a class for my game\u2019s data model in C++? - Playgama Blog","og_description":"Struct vs Class: Choosing the Right Data Model in C++ Fundamentals of Structs and Classes In C++, both struct and class can have public, protected, and private members, can utilize inheritance, and can contain member functions. However, they serve different purposes in practice. When to Use Structs Plain Old Data [&hellip;]","og_url":"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/","og_site_name":"Playgama Blog","article_published_time":"2025-01-28T07:07:11+00:00","author":"Joyst1ck","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Joyst1ck","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/","url":"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/","name":"How do I decide whether to use a struct or a class for my game\u2019s data model in C++? - Playgama Blog","isPartOf":{"@id":"https:\/\/playgama.com\/blog\/#website"},"datePublished":"2025-01-28T07:07:11+00:00","dateModified":"2025-01-28T07:07:11+00:00","author":{"@id":"https:\/\/playgama.com\/blog\/#\/schema\/person\/6b64e28292b443ca9325ab8fbff293b2"},"breadcrumb":{"@id":"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/playgama.com\/blog\/general\/how-do-i-decide-whether-to-use-a-struct-or-a-class-for-my-games-data-model-in-c\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/playgama.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How do I decide whether to use a struct or a class for my game\u2019s data model in C++?"}]},{"@type":"WebSite","@id":"https:\/\/playgama.com\/blog\/#website","url":"https:\/\/playgama.com\/blog\/","name":"Playgama Blog: \ud83c\udfae Insights, Tutorials, and Creative Inspiration for Game Development \ud83d\ude80","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/playgama.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/playgama.com\/blog\/#\/schema\/person\/6b64e28292b443ca9325ab8fbff293b2","name":"Joyst1ck","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/playgama.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c6aab82e8ae992522b6f4923a83a792ca9e8e33ecaaff6f701d177f1b0c68b2d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c6aab82e8ae992522b6f4923a83a792ca9e8e33ecaaff6f701d177f1b0c68b2d?s=96&d=mm&r=g","caption":"Joyst1ck"},"url":"https:\/\/playgama.com\/blog\/author\/volzhin-ivan\/"}]}},"_links":{"self":[{"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/posts\/921","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/comments?post=921"}],"version-history":[{"count":0,"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/posts\/921\/revisions"}],"wp:attachment":[{"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/media?parent=921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/categories?post=921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/playgama.com\/blog\/wp-json\/wp\/v2\/tags?post=921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}